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103407428 = 22109237173
BaseRepresentation
bin1100010100111…
…01111101000100
321012120122022202
412022131331010
5202433014203
614132214032
72363643245
oct612357504
9235518282
10103407428
1153409593
122a76a318
1318567737
14da3accc
159129388
hex629df44

103407428 has 12 divisors (see below), whose sum is σ = 182623980. Its totient is φ = 51229152.

The previous prime is 103407427. The next prime is 103407433. The reversal of 103407428 is 824704301.

It can be written as a sum of positive squares in 2 ways, for example, as 94633984 + 8773444 = 9728^2 + 2962^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103407428.

It is not an unprimeable number, because it can be changed into a prime (103407427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118151 + ... + 119022.

It is an arithmetic number, because the mean of its divisors is an integer number (15218665).

Almost surely, 2103407428 is an apocalyptic number.

It is an amenable number.

103407428 is a deficient number, since it is larger than the sum of its proper divisors (79216552).

103407428 is a wasteful number, since it uses less digits than its factorization.

103407428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237286 (or 237284 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 103407428 is about 10168.9442913215. The cubic root of 103407428 is about 469.3720722712.

The spelling of 103407428 in words is "one hundred three million, four hundred seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 109 218 436 237173 474346 948692 25851857 51703714 103407428